FreeBSD Security Advisory FreeBSD-SA-14:08.tcp
Xin Li
delphij at delphij.net
Thu May 1 19:04:16 UTC 2014
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
On 05/01/14 05:19, Bob Bishop wrote:
> Hi,
>
>> From: Kevin Day <toasty at dragondata.com> To:
>> freebsd-security at freebsd.org Subject: Re: FreeBSD Security
>> Advisory FreeBSD-SA-14:08.tcp
>>
>>> Affects: All supported versions of FreeBSD. Corrected:
>>> 2014-04-30 04:04:20 UTC (stable/8, 8.4-STABLE) 2014-04-30
>>> 04:05:47 UTC (releng/8.4, 8.4-RELEASE-p9) 2014-04-30 04:05:47
>>> UTC (releng/8.3, 8.3-RELEASE-p16) 2014-04-30 04:04:20 UTC
>>> (stable/9, 9.2-STABLE) 2014-04-30 04:05:47 UTC (releng/9.2,
>>> 9.2-RELEASE-p5) 2014-04-30 04:05:47 UTC (releng/9.1,
>>> 9.1-RELEASE-p12) 2014-04-30 04:03:05 UTC (stable/10,
>>> 10.0-STABLE) 2014-04-30 04:04:42 UTC (releng/10.0,
>>> 10.0-RELEASE-p2)
>>
>> Does anyone know the lower bound for how far back this bug
>> exists? Is it only present in the above versions, or does it
>> affect earlier versions that aren?t listed?
>>
>> (trying to come up with a deployment plan for some servers stuck
>> on 8.1 and 7.x due to vendors abandoning device drivers)
>
> Just looked at this, 8.1 and 7.x don't have the optimisation using
> the stack so they are unaffected.
Yes. The affected code was introduced in r226113 (Oct 7, 2011).
Note that the original change is not an "optimization" but a fix to
prevent a denial of service situation.
Cheers,
- --
Xin LI <delphij at delphij.net> https://www.delphij.net/
FreeBSD - The Power to Serve! Live free or die
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (FreeBSD)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=gilP
-----END PGP SIGNATURE-----
More information about the freebsd-security
mailing list